Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDevelopment of a new hybrid material (ARALL) for aircraft structuresLaurens B. VogelesangCite this: Ind. Eng. Chem. Prod. Res. Dev. 1983, 22, 3, 492–496Publication Date (Print):September 1, 1983Publication History Published online1 May 2002Published inissue 1 September 1983h…
Abstract The reaction kinetics and physical transport processes governing the thermal dehydration of solid K 2 CO 3 ·3/2H 2 O particles were investigated. Isothermal reaction rate data were gathered using a thermogravimetric balance in which narrowly‐sized K 2 CO 3 ·3/2H 2 O crystals were dehydrated under a water vapo…
Book Review| Online September 01 1983 Manual on Management of the Burn Patient Manual on Management of the Burn Patient. , Maude H. Malick, OTR, Judith A. Carr, OTR. Harmarville Rehabilitation Center, Educational Resource Division, Guys Run Road, Pittsburgh, PA 15238, 268 pp ( 1982), $23.00 (paperback). Susan R. Helin…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Facebook Twitter LinkedIn Email Tools Icon Tools Get Permissions Cite Icon Cite Search Site Citation D. J. Plazek, In-Chul Choy, F. N. Kelley, E. von Meerwali, Long-Ji Su; Viscoelasticity and Tearing Energy o…
Synroc‐D is a polyphase nuclear waste ceramic optimally consisting of zirconolite, perovskite, an ulvospinel‐rich solid solution, a hercynitic spinel solid solution, and nepheline. A continuous intergranular glass phase is also present, which may aid in densification, but decreases the waste form's durability in aqueo…
Abstract Measurements of water desorption and sorption on four Ca-saturated illitic clays show that the shapes of the isotherms are very similar to those for other oxide surfaces, indicating that the formation of water multilayers is quantitatively similar. This enables graphs of multilayer thickness against mass sorb…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and decomposition of E- and Z-3,3,5-trisubstituted 1,2-dioxolanesMasaya Yoshida, Masahiro Miura, Masatomo Nojima, and Shigekazu KusabayashiCite this: J. Am. Chem. Soc. 1983, 105, 20, 6279–6285Publication Date (Print):September 1, 1983Publication History Published o…
Using SEM techniques, magnetic domains have been studied in amorphous ribbons of Co70.3Fe4.7Si15B10annealed to produce different values of transverse anisotropy constant Ku. The average domain width varied as Ku-1/6, in agreement with theoretical models incorporating the μ-effect. Domains were also studied in ribbons…
As part of the National Reduced Enrichment Research and Test Reactor Program, Argonne National Laboratory (ANL) is engaged in a fuel alloy development project. The reduction of the 235U enrichment from above 90% to below 20% for such fuels would lessen the risk of diversion of the fuel for nonpeaceful uses. Fuel alloy…
An extension of the McMillan (1975) and Nakanishi and Shiba (1977) models of charge-density-wave formation which fully reflects the space-group symmetry of the $1T\ensuremath{-}\mathrm{Ta}{\mathrm{S}}_{2}$ structure is presented. The model allows an incommensurate $c$-axis wave vector immediately below the normal to i…
From several polyvinyl alcohol (PVA)-utilizing mixed cultures, two component bacterial strains essential for PVA utilization were isolated, and their properties and roles in PVA utilization were studied. Each pair of essential component strains consisted of a type I strain, which produced a PVA-degrading enzyme and co…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectronic ground state of iron(II) phthalocyanine as determined from accurate diffraction dataPhilip Coppens, Liang Li, and Nai Jui ZhuCite this: J. Am. Chem. Soc. 1983, 105, 19, 6173–6174Publication Date (Print):September 1, 1983Publication History Published online1 May 20…
The cholesteric pitch P of lyotropic mesophases of hydroxypropyl-cellulose are determined from optical measurements, i.e., angular dependence of the scattered light intensity and transmission spectra. The observed results are explained with help of Pincus’ theory for cholesteric liquid crystals. The variations of the…
Abstract High molecular weight polymers have become well established as packaging or container materials. Unlike metallic and ceramic barriers, however, polymer films are known for their semipermeable nature; that is, they permit small gaseous and vapor molecules to migrate through their atomic/molecular structures. S…
Abstract 1. A silane coupling agent (Si-69) reduces the viscosity and increases the scorch lime in silica- and clay-filled EPDM. The cure lime of silica-filled mixes remained unchanged and that of clay-filled mixes increased on addition of Si-69. 2. In the presence of Si-69, the silica-EPDM system exhibits higher poly…
In this lecture, the author reviews the history of thought on multiple bonds between metals and then gives detailed attention to some of the recent developments having to do specifically with multiple M-M bonds.
High‐purity lithium oxide was synthesized by thermal decomposition of the peroxide at temperatures up to 1070 K under dynamic vacuum. Analyses of typical preparations gave carbonate 0.01 to 0.02%, hydroxide 0.0 to 0.2%, sodium 0.002%, manganese 0.0004%, and lithium oxide 99.8 to 100.0%. The corrected melting point was…
The low-temperature heat capacity of antiferromagnetic ternary iron silicides ${M}_{2}{\mathrm{Fe}}_{3}{\mathrm{Si}}_{5}$ ($M=\mathrm{Sm}, \mathrm{Gd}\ensuremath{-}\mathrm{Yb}$) has been measured from 0.5 to 30 K. Antiferromagnetic ordering temperatures range from 1.06 to 10 K for these materials including multiple ma…
Superconducting ${T}_{c}$ can be increased by a low concentration, less than 1%, of irradiation-induced defects in the layered charge-density-wave (CDW) compounds $2H\ensuremath{-}\mathrm{Nb}{\mathrm{Se}}_{2}$, $2H\ensuremath{-}\mathrm{Ta}{\mathrm{S}}_{2}$, and $2H\ensuremath{-}\mathrm{Ta}{\mathrm{Se}}_{2}$. This is d…
qualitatively account for the role of these low-energy, doubly occupied MO's.Later on, we shall propose a quantitative approach of the spin polarization in coupled systems.We can already notice that, in this respect, the situation encountered with the end-on azido bridge is quite peculiar.The quasi- absence of overlap…